NPPES file of Aug 9, 2026

Katherine Kim, MD

Gastroenterology Physician · Whittier, CA

Katherine Kim, MD is a gastroenterology physician with a practice address in Whittier, California, and NPI 1184087736, issued on Mar 31, 2016. Check the license (California A156267, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1184087736
Name
Katherine Kim
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
A156267 CA
Self-reported in NPPES; status is on the state search
Practice location
12401 Washington Blvd, Whittier, CA 90602
Phone
(562) 698-0811
Enumerated
Mar 31, 2016
Record last updated
Sep 24, 2022
Fax
(562) 789-5902
Medicare enrollment
Enrolled (PECOS I20221019000573); accepts Medicare assignment
Medical or professional school
University Of California, Irvine, California College Of Medicine, 2016
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 12401 Washington Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anas Abu-Khader, MDInternal Medicine Physician1881180784
  2. Johanna Aceves, NPNurse Practitioner1841415502
  3. Kariann Akiyama, MS, RDN, CNSCRegistered Dietitian1639870009
  4. Syed Ali, MDAnesthesiology Physician1295775625
  5. Jamee Ambariantz, PAPhysician Assistant1790726123
  6. Talin Azilazyan, PHARMDPharmacist1700739372

Verify Katherine Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A156267
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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98% fewer Medicare Part D claims than the average gastroenterology physician in 2024

18 Medicare Part D claims, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Katherine Kim18
  2. Specialty average811

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The practice group's MIPS final score for 2023 (Medicare payment program): 76.3 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score62.7
  2. Costout of 100 · 30%59.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $537.87

14 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Kim$537.87
  2. Specialty average$5,015.95

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Pih Health PhysiciansWhittier, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Katherine Kim among 2,140 gastroenterology physician records in California

Katherine Kim, MD is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 88% of them.

  • NPI issued2016 · 88% of these records are older, 9% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2002 among the 1,538 with a school on file
  • Record last updated2022 · 60% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Preeya Goyal, M.D.Whittier, CA 906021851781645
  2. Barton Ueki, M.D.Whittier, CA 906021043219355
  3. John Lah, MDWhittier, CA 906031437221272
  4. Renee Palta, D.O.Whittier, CA 906031497910251
  5. Neal Shindel, M.D.Whittier, CA 906031174612113
  6. Amit Raina, MDWhittier, CA 906051316138142
  7. Ahilan Arulanandan, MDWhittier, CA 906061992148266
  8. Ashwin Ashok, M.D.Whittier, CA 906061134311236

Common questions

What is Katherine Kim, MD's NPI number?

Katherine Kim, MD's National Provider Identifier (NPI) is 1184087736, issued on Mar 31, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Katherine Kim, MD located?

The NPPES record lists a practice address at 12401 Washington Blvd, Whittier, CA, 90602. Phone: (562) 698-0811. Providers update this record themselves, so call before visiting.

How can I verify Katherine Kim, MD's license?

NPPES lists California license number A156267, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Katherine Kim, MD prescribe under Medicare Part D?

In 2024, Katherine Kim, MD had 18 Medicare Part D claims; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Katherine Kim, MD's MIPS final score?

The 2023 MIPS final score is 76.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.